/Engine/Plugins/Experimental/AnimToTexture/Source/AnimToTexture/Public/AnimToTextureDataAsset.h
Finds AnimSequenceIndexin the Animations Array. Only Enabled elements are returned. Returns -1 if not found.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=Default) int32 GetIndexFromAnimSequence ( const [UAnimSequence](API\Runtime\Engine\Animation\UAnimSequence) * Sequence )